I think it is a sizing issue. There is probably a difference between the size of my screen and yours. Here is how one of the puzzles looks on my screen: It looks like one of the rows is missing. My screen size is 1280 x 1024.
For me, the hardest part of the puzzle is determining where each part of the puzzle goes. However, on three of your puzzles, it does not show the picture; just numbers. Are you planning to fix that?
Ranging Jorges at the Zoo for exp and clues at the moment. Then I will switch to mining iron and make studded armor. (To use up all of the leather I have in the bank.)